Understanding the difference between product weight, unit weight, shipping weight, dimensional weight, and product size tier
Use the table below to understand the difference between product weight, unit weight, shipping weight, dimensional weight, and product size tier and how they are used to calculate your profits
| Value | How amazon defines this | How is it used | Note | Example |
Product Weight | Weight of the product with no other external packing or other items included. | Is used as an input to calculate the unit weight | A light bulb | |
Unit Weight (referred to as item unit weight) | Weight of the product with necessary packing items that come with it. | Is used as an input to calculate the shipping weight as well as product size tier. | Depending on the size tier of the product, either the unit weight or the dimensional weight will be used to calculate the shipping weight. | A light bulb with the owners manual and its retail box |
Shipping Weight | The shipping weight is the product's combined unit weight and is the measure of how much your product weighs packaged. | The shipping weight of an item is used to calculate FBA fulfillment fees | Shipping weight also takes into account the dimensional weight in certain cases. | A light bulb with the owner manual and retail box plus the bubble wrap and cardboard box used to ship it |
Dimensional Weight | Dimensional weight is an estimate of what the weight will be based on the product’s dimensions. It is a weight calculation of the volumetric weight of a package, using the package’s length, width, and height. | The dimensional weight of an item is used to calculate FBA fulfillment fees and storage fees. | Depending on the size tier of the product, either the unit weight or the dimensional weight will be used to calculate the shipping weight. | The Height x length x width, divided by 139 of the retail box of the light bulb with everything. |
Product size tier | Measurement categories are based on the unit weight, product dimensions, and dimensional weight of the packaged item. | The product size tier is used to calculate monthly storage fees | ||
Watch the video below to learn how to change the product weight on AZInsight
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